Finding the Fourth Proportional to 22,553,518.24, 31,123,842.72 and 12,763,784.64

Step by Step Solution

1. Step 1: Write the proportion equation
   22,553,518.24 : 31,123,842.72 = 12,763,784.64 : x
2. Step 2: Convert to fraction form
   22,553,518.24/31,123,842.72 = 12,763,784.64/x
3. Step 3: Cross multiply
   22,553,518.24x = 31,123,842.72 × 12,763,784.64
4. Step 4: Simplify right side
   22,553,518.24x = 397,258,025,647,311.81
5. Step 5: Solve for x
   x = 397,258,025,647,311.81/22,553,518.24
6. Step 6: Final answer
   x = 17,614,015.76